What is the music playing in this movie that sounds like some type of cello music? The words refer to training, 80 something... it's used in many training scenes and in the fighting movie with Tatem Channing also....from john in west palm beach fl (answer john's question)

Q:

What is the name of the song Carly's son is playing and who was the original artist? (from Sandee in Merced, CA, USA)